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Add support for OPUS and fixes for FLAC case issue in HLS

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Signed-off-by: nyanmisaka <nst799610810@gmail.com>
This commit is contained in:
nyanmisaka 2022-10-13 18:49:25 +08:00
parent fca87bcd0c
commit 37daeffafa
2 changed files with 55 additions and 3 deletions
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42
Jellyfin.Api/Helpers/DynamicHlsHelper.cs
View File

@ -197,6 +197,13 @@ namespace Jellyfin.Api.Helpers
if (state.VideoStream != null && state.VideoRequest != null)
{
// Provide a workaround for the case issue between flac and fLaC.
var flacWaPlaylist = ApplyFlacCaseWorkaround(state, basicPlaylist.ToString());
if (!String.IsNullOrEmpty(flacWaPlaylist))
{
builder.Append(flacWaPlaylist);
}
// Provide SDR HEVC entrance for backward compatibility.
if (EncodingHelper.IsCopyCodec(state.OutputVideoCodec)
&& !string.IsNullOrEmpty(state.VideoStream.VideoRange)
@ -215,7 +222,14 @@ namespace Jellyfin.Api.Helpers
var sdrOutputAudioBitrate = _encodingHelper.GetAudioBitrateParam(state.VideoRequest, state.AudioStream) ?? 0;
var sdrTotalBitrate = sdrOutputAudioBitrate + sdrOutputVideoBitrate;
AppendPlaylist(builder, state, sdrVideoUrl, sdrTotalBitrate, subtitleGroup);
var sdrPlaylist = AppendPlaylist(builder, state, sdrVideoUrl, sdrTotalBitrate, subtitleGroup);
// Provide a workaround for the case issue between flac and fLaC.
flacWaPlaylist = ApplyFlacCaseWorkaround(state, sdrPlaylist.ToString());
if (!String.IsNullOrEmpty(flacWaPlaylist))
{
builder.Append(flacWaPlaylist);
}
// Restore the video codec
state.OutputVideoCodec = "copy";
@ -245,6 +259,13 @@ namespace Jellyfin.Api.Helpers
state.VideoStream.Level = originalLevel;
var newPlaylist = ReplacePlaylistCodecsField(basicPlaylist, playlistCodecsField, newPlaylistCodecsField);
builder.Append(newPlaylist);
// Provide a workaround for the case issue between flac and fLaC.
flacWaPlaylist = ApplyFlacCaseWorkaround(state, newPlaylist);
if (!String.IsNullOrEmpty(flacWaPlaylist))
{
builder.Append(flacWaPlaylist);
}
}
}
@ -603,6 +624,11 @@ namespace Jellyfin.Api.Helpers
return HlsCodecStringHelpers.GetALACString();
}
if (string.Equals(state.ActualOutputAudioCodec, "opus", StringComparison.OrdinalIgnoreCase))
{
return HlsCodecStringHelpers.GetOPUSString();
}
return string.Empty;
}
@ -701,7 +727,19 @@ namespace Jellyfin.Api.Helpers
return oldPlaylist.Replace(
oldValue.ToString(),
newValue.ToString(),
StringComparison.OrdinalIgnoreCase);
StringComparison.Ordinal);
}
private string ApplyFlacCaseWorkaround(StreamState state, string srcPlaylist)
{
if (!string.Equals(state.ActualOutputAudioCodec, "flac", StringComparison.OrdinalIgnoreCase))
{
return string.Empty;
}
var newPlaylist = srcPlaylist.Replace(",flac\"", ",fLaC\"", StringComparison.Ordinal);
return newPlaylist.Contains(",fLaC\"", StringComparison.Ordinal) ? newPlaylist : string.Empty;
}
}
}

16
Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs
View File

@ -27,13 +27,18 @@ namespace Jellyfin.Api.Helpers
/// <summary>
/// Codec name for FLAC.
/// </summary>
public const string FLAC = "fLaC";
public const string FLAC = "flac";
/// <summary>
/// Codec name for ALAC.
/// </summary>
public const string ALAC = "alac";
/// <summary>
/// Codec name for OPUS.
/// </summary>
public const string OPUS = "opus";
/// <summary>
/// Gets a MP3 codec string.
/// </summary>
@ -101,6 +106,15 @@ namespace Jellyfin.Api.Helpers
return ALAC;
}
/// <summary>
/// Gets an OPUS codec string.
/// </summary>
/// <returns>OPUS codec string.</returns>
public static string GetOPUSString()
{
return OPUS;
}
/// <summary>
/// Gets a H.264 codec string.
/// </summary>